diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2020-04-18 11:08:54 +0300 |
|---|---|---|
| committer | Luca Coelho <luciano.coelho@intel.com> | 2020-04-24 16:38:11 +0300 |
| commit | 0928df0a868c010c1dfb5269a23ffa2f9adc876b (patch) | |
| tree | 0adc471fe3931d4dd2b239e45fcfd6fa8928c3e2 /drivers/net/wireless/intel/iwlwifi/mvm/fw.c | |
| parent | 2d39683e739940b852e579b8d5005c25a8912c0a (diff) | |
iwlwifi: mvm: tell firmware about required LTR delay
Some (integrated) devices need a longer LTR delay than the firmware
would typically apply, tell it about that.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20200418110539.24276ae2ad61.I8831a538f75893d5cee47b4a81f4b9b7fd0e8bea@changeid
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/fw.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/fw.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c index bf3eaadfb343..d6598339c55c 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c @@ -102,6 +102,20 @@ static int iwl_set_soc_latency(struct iwl_mvm *mvm) if (!mvm->trans->trans_cfg->integrated) cmd.flags = cpu_to_le32(SOC_CONFIG_CMD_FLAGS_DISCRETE); + BUILD_BUG_ON(IWL_CFG_TRANS_LTR_DELAY_NONE != + SOC_FLAGS_LTR_APPLY_DELAY_NONE); + BUILD_BUG_ON(IWL_CFG_TRANS_LTR_DELAY_200US != + SOC_FLAGS_LTR_APPLY_DELAY_200); + BUILD_BUG_ON(IWL_CFG_TRANS_LTR_DELAY_2500US != + SOC_FLAGS_LTR_APPLY_DELAY_2500); + BUILD_BUG_ON(IWL_CFG_TRANS_LTR_DELAY_1820US != + SOC_FLAGS_LTR_APPLY_DELAY_1820); + + if (mvm->trans->trans_cfg->ltr_delay != IWL_CFG_TRANS_LTR_DELAY_NONE && + !WARN_ON(!mvm->trans->trans_cfg->integrated)) + cmd.flags |= le32_encode_bits(mvm->trans->trans_cfg->ltr_delay, + SOC_FLAGS_LTR_APPLY_DELAY_MASK); + if (iwl_fw_lookup_cmd_ver(mvm->fw, IWL_ALWAYS_LONG_GROUP, SCAN_REQ_UMAC) >= 2 && mvm->trans->trans_cfg->low_latency_xtal) |